Home / 3,422,331-5,138,542.94-1,908,970.74

Finding the Fourth Proportional to 3,422,331, 5,138,542.94 and 1,908,970.74

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Solution

The fourth proportional to 3,422,331, 5,138,542.94 and 1,908,970.74 is: 2,866,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,331 : 5,138,542.94 = 1,908,970.74 : x
  2. Step 2: Convert to fraction form
    3,422,331/5,138,542.94 = 1,908,970.74/x
  3. Step 3: Cross multiply
    3,422,331x = 5,138,542.94 × 1,908,970.74
  4. Step 4: Simplify right side
    3,422,331x = 9,809,328,109,148.72
  5. Step 5: Solve for x
    x = 9,809,328,109,148.72/3,422,331
  6. Step 6: Final answer
    x = 2,866,271.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.